Waters C A, Pilarski L M, Wegmann T G, Diener E
J Exp Med. 1979 May 1;149(5):1134-51. doi: 10.1084/jem.149.5.1134.
A specific state of T- and B-cell tolerance to human gamma-globulin (HGG) was induced in utero by intravenous administration of the deaggregated antigen to pregnant BALB/cCr mice. Tolerance persisted in the offspring until the 12th-wk of age and then began to gradually disappear. Suppressor cells could only be found when responsiveness to HGG ultimately appeared in the in utero-treated animals but not when they were completely unresponsives. In contrast, HGG-specific suppressors found in animals made unresponsive to HGG as adults appear to be associated with either the establishment and/or maintenance of the unresponsive state. To the extent that these experiments are consistent with natural self-tolerance to a serum protein, we conclude that active suppression is not a prerequisite from maintenance of unresponsiveness to self.
通过向怀孕的BALB/cCr小鼠静脉注射去聚合抗原,在子宫内诱导了T细胞和B细胞对人丙种球蛋白(HGG)的特异性耐受状态。这种耐受在后代中持续到12周龄,然后开始逐渐消失。仅在子宫内处理的动物最终对HGG出现反应性时才能发现抑制细胞,而在它们完全无反应时则未发现。相比之下,在成年后对HGG无反应的动物中发现的HGG特异性抑制细胞似乎与无反应状态的建立和/或维持有关。就这些实验与对血清蛋白的天然自身耐受一致而言,我们得出结论,主动抑制不是维持对自身无反应性的先决条件。